Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM ClipboardEvent.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "AtomList.h"
4 : #include "ClipboardEventBinding.h"
5 : #include "EventBinding.h"
6 : #include "WrapperFactory.h"
7 : #include "mozilla/OwningNonNull.h"
8 : #include "mozilla/dom/BindingUtils.h"
9 : #include "mozilla/dom/ClipboardEvent.h"
10 : #include "mozilla/dom/DOMJSClass.h"
11 : #include "mozilla/dom/DataTransfer.h"
12 : #include "mozilla/dom/NonRefcountedDOMObject.h"
13 : #include "mozilla/dom/Nullable.h"
14 : #include "mozilla/dom/PrimitiveConversions.h"
15 : #include "mozilla/dom/ScriptSettings.h"
16 : #include "mozilla/dom/SimpleGlobalObject.h"
17 : #include "mozilla/dom/XrayExpandoClass.h"
18 :
19 : namespace mozilla {
20 : namespace dom {
21 :
22 :
23 0 : ClipboardEventInit::ClipboardEventInit()
24 0 : : EventInit(FastDictionaryInitializer())
25 : {
26 : // Safe to pass a null context if we pass a null value
27 0 : Init(nullptr, JS::NullHandleValue);
28 0 : }
29 :
30 :
31 :
32 : bool
33 0 : ClipboardEventInit::InitIds(JSContext* cx, ClipboardEventInitAtoms* atomsCache)
34 : {
35 0 : MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
36 :
37 : // Initialize these in reverse order so that any failure leaves the first one
38 : // uninitialized.
39 0 : if (!atomsCache->dataType_id.init(cx, "dataType") ||
40 0 : !atomsCache->data_id.init(cx, "data")) {
41 0 : return false;
42 : }
43 0 : return true;
44 : }
45 :
46 : bool
47 0 : ClipboardEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
48 : {
49 : // Passing a null JSContext is OK only if we're initing from null,
50 : // Since in that case we will not have to do any property gets
51 : // Also evaluate isNullOrUndefined in order to avoid false-positive
52 : // checkers by static analysis tools
53 0 : MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
54 0 : ClipboardEventInitAtoms* atomsCache = nullptr;
55 0 : if (cx) {
56 0 : atomsCache = GetAtomCache<ClipboardEventInitAtoms>(cx);
57 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
58 0 : return false;
59 : }
60 : }
61 :
62 : // Per spec, we init the parent's members first
63 0 : if (!EventInit::Init(cx, val)) {
64 0 : return false;
65 : }
66 :
67 0 : bool isNull = val.isNullOrUndefined();
68 : // We only need these if !isNull, in which case we have |cx|.
69 0 : Maybe<JS::Rooted<JSObject *> > object;
70 0 : Maybe<JS::Rooted<JS::Value> > temp;
71 0 : if (!isNull) {
72 0 : MOZ_ASSERT(cx);
73 0 : object.emplace(cx, &val.toObject());
74 0 : temp.emplace(cx);
75 : }
76 0 : if (!isNull) {
77 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->data_id, temp.ptr())) {
78 0 : return false;
79 : }
80 : }
81 0 : if (!isNull && !temp->isUndefined()) {
82 0 : if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mData)) {
83 0 : return false;
84 : }
85 : } else {
86 : static const char16_t data[] = { 0 };
87 0 : mData.Rebind(data, ArrayLength(data) - 1);
88 : }
89 0 : mIsAnyMemberPresent = true;
90 :
91 0 : if (!isNull) {
92 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->dataType_id, temp.ptr())) {
93 0 : return false;
94 : }
95 : }
96 0 : if (!isNull && !temp->isUndefined()) {
97 0 : if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mDataType)) {
98 0 : return false;
99 : }
100 : } else {
101 : static const char16_t data[] = { 0 };
102 0 : mDataType.Rebind(data, ArrayLength(data) - 1);
103 : }
104 0 : mIsAnyMemberPresent = true;
105 0 : return true;
106 : }
107 :
108 : bool
109 0 : ClipboardEventInit::Init(const nsAString& aJSON)
110 : {
111 0 : AutoJSAPI jsapi;
112 0 : JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
113 0 : if (!cleanGlobal) {
114 0 : return false;
115 : }
116 0 : if (!jsapi.Init(cleanGlobal)) {
117 0 : return false;
118 : }
119 0 : JSContext* cx = jsapi.cx();
120 0 : JS::Rooted<JS::Value> json(cx);
121 0 : bool ok = ParseJSON(cx, aJSON, &json);
122 0 : NS_ENSURE_TRUE(ok, false);
123 0 : return Init(cx, json);
124 : }
125 :
126 : bool
127 0 : ClipboardEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
128 : {
129 0 : ClipboardEventInitAtoms* atomsCache = GetAtomCache<ClipboardEventInitAtoms>(cx);
130 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
131 0 : return false;
132 : }
133 :
134 : // Per spec, we define the parent's members first
135 0 : if (!EventInit::ToObjectInternal(cx, rval)) {
136 0 : return false;
137 : }
138 0 : JS::Rooted<JSObject*> obj(cx, &rval.toObject());
139 :
140 : do {
141 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
142 0 : JS::Rooted<JS::Value> temp(cx);
143 0 : nsString const & currentValue = mData;
144 0 : if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
145 0 : return false;
146 : }
147 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->data_id, temp, JSPROP_ENUMERATE)) {
148 0 : return false;
149 : }
150 0 : break;
151 : } while(0);
152 :
153 : do {
154 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
155 0 : JS::Rooted<JS::Value> temp(cx);
156 0 : nsString const & currentValue = mDataType;
157 0 : if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
158 0 : return false;
159 : }
160 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->dataType_id, temp, JSPROP_ENUMERATE)) {
161 0 : return false;
162 : }
163 0 : break;
164 : } while(0);
165 :
166 0 : return true;
167 : }
168 :
169 : bool
170 0 : ClipboardEventInit::ToJSON(nsAString& aJSON) const
171 : {
172 0 : AutoJSAPI jsapi;
173 0 : jsapi.Init();
174 0 : JSContext *cx = jsapi.cx();
175 : // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
176 : // because we'll only be creating objects, in ways that have no
177 : // side-effects, followed by a call to JS::ToJSONMaybeSafely,
178 : // which likewise guarantees no side-effects for the sorts of
179 : // things we will pass it.
180 0 : JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
181 0 : JS::Rooted<JS::Value> val(cx);
182 0 : if (!ToObjectInternal(cx, &val)) {
183 0 : return false;
184 : }
185 0 : JS::Rooted<JSObject*> obj(cx, &val.toObject());
186 0 : return StringifyToJSON(cx, obj, aJSON);
187 : }
188 :
189 : void
190 0 : ClipboardEventInit::TraceDictionary(JSTracer* trc)
191 : {
192 0 : EventInit::TraceDictionary(trc);
193 0 : }
194 :
195 : ClipboardEventInit&
196 0 : ClipboardEventInit::operator=(const ClipboardEventInit& aOther)
197 : {
198 0 : EventInit::operator=(aOther);
199 0 : mData = aOther.mData;
200 0 : mDataType = aOther.mDataType;
201 0 : return *this;
202 : }
203 :
204 : namespace binding_detail {
205 : } // namespace binding_detail
206 :
207 :
208 : namespace ClipboardEventBinding {
209 :
210 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventBinding::NativeType>::value,
211 : "Can't inherit from an interface with a different ownership model.");
212 :
213 : static bool
214 0 : get_clipboardData(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ClipboardEvent* self, JSJitGetterCallArgs args)
215 : {
216 0 : auto result(StrongOrRawPtr<mozilla::dom::DataTransfer>(self->GetClipboardData()));
217 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
218 0 : if (!result) {
219 0 : args.rval().setNull();
220 0 : return true;
221 : }
222 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
223 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
224 0 : return false;
225 : }
226 0 : return true;
227 : }
228 :
229 : static const JSJitInfo clipboardData_getterinfo = {
230 : { (JSJitGetterOp)get_clipboardData },
231 : { prototypes::id::ClipboardEvent },
232 : { PrototypeTraits<prototypes::id::ClipboardEvent>::Depth },
233 : JSJitInfo::Getter,
234 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
235 : JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
236 : false, /* isInfallible. False in setters. */
237 : false, /* isMovable. Not relevant for setters. */
238 : false, /* isEliminatable. Not relevant for setters. */
239 : false, /* isAlwaysInSlot. Only relevant for getters. */
240 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
241 : false, /* isTypedMethod. Only relevant for methods. */
242 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
243 : };
244 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
245 : static_assert(0 < 1, "There is no slot for us");
246 :
247 : static bool
248 0 : get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ClipboardEvent* self, JSJitGetterCallArgs args)
249 : {
250 0 : bool result(self->IsTrusted());
251 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
252 0 : args.rval().setBoolean(result);
253 0 : return true;
254 : }
255 :
256 : static const JSJitInfo isTrusted_getterinfo = {
257 : { (JSJitGetterOp)get_isTrusted },
258 : { prototypes::id::ClipboardEvent },
259 : { PrototypeTraits<prototypes::id::ClipboardEvent>::Depth },
260 : JSJitInfo::Getter,
261 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
262 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
263 : true, /* isInfallible. False in setters. */
264 : true, /* isMovable. Not relevant for setters. */
265 : true, /* isEliminatable. Not relevant for setters. */
266 : false, /* isAlwaysInSlot. Only relevant for getters. */
267 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
268 : false, /* isTypedMethod. Only relevant for methods. */
269 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
270 : };
271 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
272 : static_assert(0 < 1, "There is no slot for us");
273 :
274 : static bool
275 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
276 : {
277 0 : mozilla::dom::ClipboardEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ClipboardEvent>(obj);
278 : // We don't want to preserve if we don't have a wrapper, and we
279 : // obviously can't preserve if we're not initialized.
280 0 : if (self && self->GetWrapperPreserveColor()) {
281 0 : PreserveWrapper(self);
282 : }
283 0 : return true;
284 : }
285 :
286 : static void
287 0 : _finalize(js::FreeOp* fop, JSObject* obj)
288 : {
289 0 : mozilla::dom::ClipboardEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ClipboardEvent>(obj);
290 0 : if (self) {
291 0 : ClearWrapper(self, self, obj);
292 0 : AddForDeferredFinalization<mozilla::dom::ClipboardEvent>(self);
293 : }
294 0 : }
295 :
296 : static void
297 0 : _objectMoved(JSObject* obj, const JSObject* old)
298 : {
299 0 : mozilla::dom::ClipboardEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ClipboardEvent>(obj);
300 0 : if (self) {
301 0 : UpdateWrapper(self, self, obj, old);
302 : }
303 0 : }
304 :
305 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
306 : #if defined(__clang__)
307 : #pragma clang diagnostic push
308 : #pragma clang diagnostic ignored "-Wmissing-braces"
309 : #endif
310 : static const JSPropertySpec sAttributes_specs[] = {
311 : { "clipboardData", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &clipboardData_getterinfo, nullptr, nullptr },
312 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
313 : };
314 : #if defined(__clang__)
315 : #pragma clang diagnostic pop
316 : #endif
317 :
318 :
319 : // Can't be const because the pref-enabled boolean needs to be writable
320 : static Prefable<const JSPropertySpec> sAttributes[] = {
321 : { nullptr, &sAttributes_specs[0] },
322 : { nullptr, nullptr }
323 : };
324 :
325 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
326 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
327 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
328 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
329 :
330 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
331 : #if defined(__clang__)
332 : #pragma clang diagnostic push
333 : #pragma clang diagnostic ignored "-Wmissing-braces"
334 : #endif
335 : static const JSPropertySpec sUnforgeableAttributes_specs[] = {
336 : { "isTrusted", JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericBindingGetter, &isTrusted_getterinfo, nullptr, nullptr },
337 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
338 : };
339 : #if defined(__clang__)
340 : #pragma clang diagnostic pop
341 : #endif
342 :
343 :
344 : // Can't be const because the pref-enabled boolean needs to be writable
345 : static Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
346 : { nullptr, &sUnforgeableAttributes_specs[0] },
347 : { nullptr, nullptr }
348 : };
349 :
350 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
351 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
352 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
353 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
354 :
355 :
356 : static uint16_t sNativeProperties_sortedPropertyIndices[2];
357 : static PropertyInfo sNativeProperties_propertyInfos[2];
358 :
359 : static const NativePropertiesN<2> sNativeProperties = {
360 : false, 0,
361 : false, 0,
362 : false, 0,
363 : true, 0 /* sAttributes */,
364 : false, 0,
365 : true, 1 /* sUnforgeableAttributes */,
366 : false, 0,
367 : -1,
368 : 2,
369 : sNativeProperties_sortedPropertyIndices,
370 : {
371 : { sAttributes, &sNativeProperties_propertyInfos[0] },
372 : { sUnforgeableAttributes, &sNativeProperties_propertyInfos[1] }
373 : }
374 : };
375 : static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
376 : "We have a property info count that is oversized");
377 :
378 : static bool
379 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
380 : {
381 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
382 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
383 0 : if (!args.isConstructing()) {
384 : // XXXbz wish I could get the name from the callee instead of
385 : // Adding more relocations
386 0 : return ThrowConstructorWithoutNew(cx, "ClipboardEvent");
387 : }
388 :
389 0 : GlobalObject global(cx, obj);
390 0 : if (global.Failed()) {
391 0 : return false;
392 : }
393 :
394 0 : JS::Rooted<JSObject*> desiredProto(cx);
395 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
396 0 : return false;
397 : }
398 :
399 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
400 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ClipboardEvent");
401 : }
402 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
403 0 : binding_detail::FakeString arg0;
404 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
405 0 : return false;
406 : }
407 0 : binding_detail::FastClipboardEventInit arg1;
408 0 : if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2 of ClipboardEvent.constructor", false)) {
409 0 : return false;
410 : }
411 0 : Maybe<JSAutoCompartment> ac;
412 0 : if (objIsXray) {
413 0 : obj = js::CheckedUnwrap(obj);
414 0 : if (!obj) {
415 0 : return false;
416 : }
417 0 : ac.emplace(cx, obj);
418 0 : if (!JS_WrapObject(cx, &desiredProto)) {
419 0 : return false;
420 : }
421 : }
422 0 : binding_detail::FastErrorResult rv;
423 0 : auto result(StrongOrRawPtr<mozilla::dom::ClipboardEvent>(mozilla::dom::ClipboardEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
424 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
425 0 : return false;
426 : }
427 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
428 : static_assert(!IsPointer<decltype(result)>::value,
429 : "NewObject implies that we need to keep the object alive with a strong reference.");
430 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
431 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
432 0 : return false;
433 : }
434 0 : return true;
435 : }
436 :
437 : static const js::ClassOps sInterfaceObjectClassOps = {
438 : nullptr, /* addProperty */
439 : nullptr, /* delProperty */
440 : nullptr, /* getProperty */
441 : nullptr, /* setProperty */
442 : nullptr, /* enumerate */
443 : nullptr, /* newEnumerate */
444 : nullptr, /* resolve */
445 : nullptr, /* mayResolve */
446 : nullptr, /* finalize */
447 : _constructor, /* call */
448 : nullptr, /* hasInstance */
449 : _constructor, /* construct */
450 : nullptr, /* trace */
451 : };
452 :
453 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
454 : {
455 : "Function",
456 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
457 : &sInterfaceObjectClassOps,
458 : JS_NULL_CLASS_SPEC,
459 : JS_NULL_CLASS_EXT,
460 : &sInterfaceObjectClassObjectOps
461 : },
462 : eInterface,
463 : true,
464 : prototypes::id::ClipboardEvent,
465 : PrototypeTraits<prototypes::id::ClipboardEvent>::Depth,
466 : sNativePropertyHooks,
467 : "function ClipboardEvent() {\n [native code]\n}",
468 : EventBinding::GetConstructorObject
469 : };
470 :
471 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
472 : {
473 : "ClipboardEventPrototype",
474 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
475 : JS_NULL_CLASS_OPS,
476 : JS_NULL_CLASS_SPEC,
477 : JS_NULL_CLASS_EXT,
478 : JS_NULL_OBJECT_OPS
479 : },
480 : eInterfacePrototype,
481 : false,
482 : prototypes::id::ClipboardEvent,
483 : PrototypeTraits<prototypes::id::ClipboardEvent>::Depth,
484 : sNativePropertyHooks,
485 : "[object ClipboardEventPrototype]",
486 : EventBinding::GetProtoObject
487 : };
488 :
489 : JSObject*
490 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
491 : {
492 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
493 : }
494 :
495 : static const js::ClassOps sClassOps = {
496 : _addProperty, /* addProperty */
497 : nullptr, /* delProperty */
498 : nullptr, /* getProperty */
499 : nullptr, /* setProperty */
500 : nullptr, /* enumerate */
501 : nullptr, /* newEnumerate */
502 : nullptr, /* resolve */
503 : nullptr, /* mayResolve */
504 : _finalize, /* finalize */
505 : nullptr, /* call */
506 : nullptr, /* hasInstance */
507 : nullptr, /* construct */
508 : nullptr, /* trace */
509 : };
510 :
511 : static const js::ClassExtension sClassExtension = {
512 : nullptr, /* weakmapKeyDelegateOp */
513 : _objectMoved /* objectMovedOp */
514 : };
515 :
516 : static const DOMJSClass sClass = {
517 : { "ClipboardEvent",
518 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
519 : &sClassOps,
520 : JS_NULL_CLASS_SPEC,
521 : &sClassExtension,
522 : JS_NULL_OBJECT_OPS
523 : },
524 : { prototypes::id::Event, prototypes::id::ClipboardEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
525 : IsBaseOf<nsISupports, mozilla::dom::ClipboardEvent >::value,
526 : sNativePropertyHooks,
527 : FindAssociatedGlobalForNative<mozilla::dom::ClipboardEvent>::Get,
528 : GetProtoObjectHandle,
529 : GetCCParticipant<mozilla::dom::ClipboardEvent>::Get()
530 : };
531 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
532 : "Must have the right minimal number of reserved slots.");
533 : static_assert(1 >= 1,
534 : "Must have enough reserved slots.");
535 :
536 : const JSClass*
537 0 : GetJSClass()
538 : {
539 0 : return sClass.ToJSClass();
540 : }
541 :
542 : bool
543 0 : Wrap(JSContext* aCx, mozilla::dom::ClipboardEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
544 : {
545 : MOZ_ASSERT(static_cast<mozilla::dom::ClipboardEvent*>(aObject) ==
546 : reinterpret_cast<mozilla::dom::ClipboardEvent*>(aObject),
547 : "Multiple inheritance for mozilla::dom::ClipboardEvent is broken.");
548 : MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
549 : reinterpret_cast<mozilla::dom::Event*>(aObject),
550 : "Multiple inheritance for mozilla::dom::Event is broken.");
551 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
552 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
553 0 : MOZ_ASSERT(!aCache->GetWrapper(),
554 : "You should probably not be using Wrap() directly; use "
555 : "GetOrCreateDOMReflector instead");
556 :
557 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
558 : "nsISupports must be on our primary inheritance chain");
559 :
560 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
561 0 : if (!global) {
562 0 : return false;
563 : }
564 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
565 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
566 :
567 : // That might have ended up wrapping us already, due to the wonders
568 : // of XBL. Check for that, and bail out as needed.
569 0 : aReflector.set(aCache->GetWrapper());
570 0 : if (aReflector) {
571 : #ifdef DEBUG
572 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
573 : #endif // DEBUG
574 0 : return true;
575 : }
576 :
577 0 : JSAutoCompartment ac(aCx, global);
578 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
579 0 : if (!canonicalProto) {
580 0 : return false;
581 : }
582 0 : JS::Rooted<JSObject*> proto(aCx);
583 0 : if (aGivenProto) {
584 0 : proto = aGivenProto;
585 : // Unfortunately, while aGivenProto was in the compartment of aCx
586 : // coming in, we changed compartments to that of "parent" so may need
587 : // to wrap the proto here.
588 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
589 0 : if (!JS_WrapObject(aCx, &proto)) {
590 0 : return false;
591 : }
592 : }
593 : } else {
594 0 : proto = canonicalProto;
595 : }
596 :
597 0 : BindingJSObjectCreator<mozilla::dom::ClipboardEvent> creator(aCx);
598 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
599 0 : if (!aReflector) {
600 0 : return false;
601 : }
602 :
603 0 : aCache->SetWrapper(aReflector);
604 :
605 : // Important: do unforgeable property setup after we have handed
606 : // over ownership of the C++ object to obj as needed, so that if
607 : // we fail and it ends up GCed it won't have problems in the
608 : // finalizer trying to drop its ownership of the C++ object.
609 : JS::Rooted<JSObject*> unforgeableHolder(aCx,
610 0 : &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
611 0 : if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
612 0 : aCache->ReleaseWrapper(aObject);
613 0 : aCache->ClearWrapper();
614 0 : return false;
615 : }
616 0 : creator.InitializationSucceeded();
617 :
618 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
619 : aCache->GetWrapperPreserveColor() == aReflector);
620 : // If proto != canonicalProto, we have to preserve our wrapper;
621 : // otherwise we won't be able to properly recreate it later, since
622 : // we won't know what proto to use. Note that we don't check
623 : // aGivenProto here, since it's entirely possible (and even
624 : // somewhat common) to have a non-null aGivenProto which is the
625 : // same as canonicalProto.
626 0 : if (proto != canonicalProto) {
627 0 : PreserveWrapper(aObject);
628 : }
629 :
630 0 : return true;
631 : }
632 :
633 : const NativePropertyHooks sNativePropertyHooks[] = { {
634 : nullptr,
635 : nullptr,
636 : nullptr,
637 : { sNativeProperties.Upcast(), nullptr },
638 : prototypes::id::ClipboardEvent,
639 : constructors::id::ClipboardEvent,
640 : EventBinding::sNativePropertyHooks,
641 : &DefaultXrayExpandoObjectClass
642 : } };
643 :
644 : void
645 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
646 : {
647 0 : JS::Handle<JSObject*> parentProto(EventBinding::GetProtoObjectHandle(aCx));
648 0 : if (!parentProto) {
649 0 : return;
650 : }
651 :
652 0 : JS::Handle<JSObject*> constructorProto(EventBinding::GetConstructorObjectHandle(aCx));
653 0 : if (!constructorProto) {
654 0 : return;
655 : }
656 :
657 : static bool sIdsInited = false;
658 0 : if (!sIdsInited && NS_IsMainThread()) {
659 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
660 0 : return;
661 : }
662 0 : sIdsInited = true;
663 : }
664 :
665 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ClipboardEvent);
666 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ClipboardEvent);
667 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
668 : &sPrototypeClass.mBase, protoCache,
669 : constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
670 : interfaceCache,
671 : sNativeProperties.Upcast(),
672 : nullptr,
673 : "ClipboardEvent", aDefineOnGlobal,
674 : nullptr,
675 0 : false);
676 :
677 0 : JS::Rooted<JSObject*> unforgeableHolder(aCx);
678 : {
679 0 : JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
680 0 : unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
681 0 : if (!unforgeableHolder) {
682 0 : *protoCache = nullptr;
683 0 : if (interfaceCache) {
684 0 : *interfaceCache = nullptr;
685 : }
686 0 : return;
687 : }
688 : }
689 :
690 0 : if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
691 0 : *protoCache = nullptr;
692 0 : if (interfaceCache) {
693 0 : *interfaceCache = nullptr;
694 : }
695 0 : return;
696 : }
697 :
698 0 : if (*protoCache) {
699 0 : js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
700 0 : JS::ObjectValue(*unforgeableHolder));
701 : }
702 : }
703 :
704 : JS::Handle<JSObject*>
705 0 : GetProtoObjectHandle(JSContext* aCx)
706 : {
707 : /* Get the interface prototype object for this class. This will create the
708 : object as needed. */
709 0 : bool aDefineOnGlobal = true;
710 :
711 : /* Make sure our global is sane. Hopefully we can remove this sometime */
712 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
713 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
714 0 : return nullptr;
715 : }
716 :
717 : /* Check to see whether the interface objects are already installed */
718 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
719 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::ClipboardEvent)) {
720 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
721 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
722 : }
723 :
724 : /*
725 : * The object might _still_ be null, but that's OK.
726 : *
727 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
728 : * traced by TraceProtoAndIfaceCache() and its contents are never
729 : * changed after they have been set.
730 : *
731 : * Calling address() avoids the read read barrier that does gray
732 : * unmarking, but it's not possible for the object to be gray here.
733 : */
734 :
735 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::ClipboardEvent);
736 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
737 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
738 : }
739 :
740 : JS::Handle<JSObject*>
741 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
742 : {
743 : /* Get the interface object for this class. This will create the object as
744 : needed. */
745 :
746 : /* Make sure our global is sane. Hopefully we can remove this sometime */
747 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
748 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
749 0 : return nullptr;
750 : }
751 :
752 : /* Check to see whether the interface objects are already installed */
753 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
754 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::ClipboardEvent)) {
755 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
756 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
757 : }
758 :
759 : /*
760 : * The object might _still_ be null, but that's OK.
761 : *
762 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
763 : * traced by TraceProtoAndIfaceCache() and its contents are never
764 : * changed after they have been set.
765 : *
766 : * Calling address() avoids the read read barrier that does gray
767 : * unmarking, but it's not possible for the object to be gray here.
768 : */
769 :
770 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::ClipboardEvent);
771 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
772 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
773 : }
774 :
775 : JSObject*
776 0 : GetConstructorObject(JSContext* aCx)
777 : {
778 0 : return GetConstructorObjectHandle(aCx);
779 : }
780 :
781 : } // namespace ClipboardEventBinding
782 :
783 :
784 :
785 : } // namespace dom
786 : } // namespace mozilla
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